sched-core-2022-03-21

 - Cleanups for SCHED_DEADLINE
 - Tracing updates/fixes
 - CPU Accounting fixes
 - First wave of changes to optimize the overhead of the scheduler build,
   from the fast-headers tree - including placeholder *_api.h headers for
   later header split-ups.
 - Preempt-dynamic using static_branch() for ARM64
 - Isolation housekeeping mask rework; preperatory for further changes
 - NUMA-balancing: deal with CPU-less nodes
 - NUMA-balancing: tune systems that have multiple LLC cache domains per node (eg. AMD)
 - Updates to RSEQ UAPI in preparation for glibc usage
 - Lots of RSEQ/selftests, for same
 - Add Suren as PSI co-maintainer

Signed-off-by: Ingo Molnar <mingo@kernel.org>